<!DOCTYPE html>
<title>MediaSession Mojo Test</title>
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script type="module">
import {MediaSessionServiceMock} from './resources/mediasessionservice-mock.js';
import {assert_metadata_equals} from './resources/utils.js';

async_test(function(t) {
  let m = new MediaSessionServiceMock();
  var metadata = new MediaMetadata({
    artwork: [
      { src: "file:///foo/bar.jpg", type: "image/jpeg"}
    ]});
  var expectedMetadata = new MediaMetadata({});

  m.setMetadataCallback(t.step_func(function(receivedMetadata) {
    assert_metadata_equals(expectedMetadata, receivedMetadata);
    t.done();
  }));
  window.navigator.mediaSession.metadata = metadata;
}, "test that null MediaMetadata is correctly propagated");

</script>
